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springboot请求传参常用模板

news 来源：原创 2024/9/20 18:38:09

注释很详细，直接上代码

项目结构

在这里插入图片描述

源码

HelloController

package com.amoorzheyu.controller;import com.amoorzheyu.pojo.User;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.web.bind.annotation.*;import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.List;/*  注解标识请求处理类 */
@RestController
public class HelloController {/* 标识请求路径 *///test@RequestMapping( "/hello")public String hello(){System.out.println("hello world~");return "hello world~";}//简单参数的接收---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------/** 直接接收名字需要一一对应，若无则为null */@RequestMapping( "/simpleParameter1")public String hello2(String name, Integer age){String str = "hello world~" + name+",age:"+age;System.out.println(str);return str;}/** 可使用RequestParam修改变量映射名，默认为必须，如果未传则会报错* @value:映射的变量名* required:是否必须，默认为true* defaultValue:默认值*  */@RequestMapping( "/simpleParameter2")public String hello3(@RequestParam(value = "name111", defaultValue = "unknown user",required = false) String name,@RequestParam(value = "age111", defaultValue = "18",required = false) Integer age){String str = "hello world~" + name+",age:"+age;System.out.println(str);return str;}//实体参数--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------/* 简单实体参数，需要字段名一一对应 */@RequestMapping( "/entityParameter1")public String hello4(User user){String str = "hello world~" + user.getName()+",age:"+user.getAge();System.out.println(str);return str;}/* 复杂实体参数，同理，传值为addres.province的形式 */@RequestMapping( "/entityParameter2")public String hello5(User user){String str = "hello world~" + user.getName()+",age:"+user.getAge()+",province:"+user.getAddres().getProvince()+",city:"+user.getAddres().getCity();System.out.println(str);return str;}//数组集合参数----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------/* 数组参数，请求参数名与形参中数组变量名相同，可以直接使用数组封装 */@RequestMapping( "/arrayParameter1")public String hello6(String[] name){System.out.println(Arrays.toString(name));return Arrays.toString(name);}/* 集合参数，请求参数名与形参中集合变量名相同，通过@RequestParam绑定参数关系 */@RequestMapping( "/arrayParameter2")public String hello7(@RequestParam List<String> hobby){System.out.println(hobby);return hobby.toString();}//日期时间类型参数--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------@RequestMapping( "/dateParameter")public String hello8(@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss") LocalDateTime updateTime){System.out.println(updateTime);return updateTime.toString();}//json类型参数----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------@RequestMapping( "/jsonParameter")public String hello9(@RequestBody User user){System.out.println(user);return user.toString();}//路径参数----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------@RequestMapping(value = "/pathVariable/{id}/{type}")public String hello10(@PathVariable("id") String id, @PathVariable("type") String type){System.out.println(id+" "+type);return id+" "+type;}
}

Address

package com.amoorzheyu.pojo;public class Address {private  String province;private  String city;@Overridepublic String toString() {return "Addres{" +"province='" + province + '\'' +", city='" + city + '\'' +'}';}public String getProvince() {return province;}public void setProvince(String province) {this.province = province;}public String getCity() {return city;}public void setCity(String city) {this.city = city;}
}

User

package com.amoorzheyu.pojo;public class User {private Integer age;private String name;private Address address;public Address getAddres() {return address;}public void setAddress(Address address) {this.address = address;}public Integer getAge() {return age;}public void setAge(Integer age) {this.age = age;}public String getName() {return name;}public void setName(String name) {this.name = name;}@Overridepublic String toString() {return "User{" +"age=" + age +", name='" + name + '\'' +", addres=" + address +'}';}
}